code: def __call__(self, i, bgr=False):
      c = self.palette[int(i) % self.n]
      return (c[2], c[1], c[0]) if bgr else c
  
imports: import copy
  import os
  import random
  import time
  from typing import List, Optional, Union
  import cv2
  import numpy
  import requests
  from PIL import Image
  from sahi.utils.file import Path
label_desc: Use image node_id 2 for calling the Colors obj's underlying member method code with example usage: obj.__call__(i, bgr) and returns: unknown